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HD74HC148 from HIT

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HD74HC148

Manufacturer: HIT

8-to-3-line Octal Priority Encoder

Partnumber Manufacturer Quantity Availability
HD74HC148 HIT 35 In Stock

Description and Introduction

8-to-3-line Octal Priority Encoder The HD74HC148 is a high-speed CMOS 8-to-3 line priority encoder manufactured by Hitachi (HIT). Here are its key specifications:  

- **Logic Family**: HC (High-Speed CMOS)  
- **Supply Voltage Range**: 2V to 6V  
- **Input Current (Max)**: ±1µA  
- **High-Level Output Current**: -5.2mA  
- **Low-Level Output Current**: 5.2mA  
- **Propagation Delay**: Typically 13ns at 5V  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package Options**: DIP-16, SOP-16  
- **Priority Encoding**: Highest priority input (D7) is encoded first  
- **Enable Inputs**: Active-low enable (EI) for cascading  
- **Outputs**: Active-low binary code (A0, A1, A2) and group select (GS)  

This device is commonly used in digital systems for address encoding and priority interrupt handling.

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